19505696

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^2$

素因数の和:154

約数の個数: 72

約数和(自身を含む): 46174464

約数和(自身を除く): 26668768

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 53, 56, 62, 106, 112, 124, 212, 217, 224, 248, 371, 424, 434, 496, 742, 848, 868, 992, 1484, 1643, 1696, 1736, 2809, 2968, 3286, 3472, 5618, 5936, 6572, 6944, 11236, 11501, 11872, 13144, 19663, 22472, 23002, 26288, 39326, 44944, 46004, 52576, 78652, 87079, 89888, 92008, 157304, 174158, 184016, 314608, 348316, 368032, 609553, 629216, 696632, 1219106, 1393264, 2438212, 2786528, 4876424, 9752848, 19505696]

約数ペア:

[(1, 19505696), (2, 9752848), (4, 4876424), (7, 2786528), (8, 2438212), (14, 1393264), (16, 1219106), (28, 696632), (31, 629216), (32, 609553), (53, 368032), (56, 348316), (62, 314608), (106, 184016), (112, 174158), (124, 157304), (212, 92008), (217, 89888), (224, 87079), (248, 78652), (371, 52576), (424, 46004), (434, 44944), (496, 39326), (742, 26288), (848, 23002), (868, 22472), (992, 19663), (1484, 13144), (1643, 11872), (1696, 11501), (1736, 11236), (2809, 6944), (2968, 6572), (3286, 5936), (3472, 5618)]